renamed folder-scanning method and url

lib/Controller/Aria2Controller.php

@@ -6,7 +6,6 @@ use OCA\NCDownloader\Tools\Counters;
 use OCA\NCDownloader\Tools\DbHelper;
 use OCA\NCDownloader\Tools\folderScan;
 use OCA\NCDownloader\Tools\Helper;
-use OCA\NCDownloader\Tools\Settings;
 use OCP\AppFramework\Controller;
 use OCP\AppFramework\Http\JSONResponse;
 use OCP\Files\IRootFolder;
@@ -121,15 +120,6 @@ class Aria2Controller extends Controller
         $data = $this->aria2->start();
         return $data;
     }
-    /**
-     * @NoAdminRequired
-     * @NoCSRFRequired
-     */
-    public function Update()
-    {
-        $resp = folderScan::create()->scan();
-        return new JSONResponse($resp);
-    }
 
     private function createActionItem($name, $path)
     {

lib/Controller/MainController.php

@@ -15,6 +15,7 @@ use OCP\IL10N;
 //use OCP\Files\IRootFolder;
 use OCP\IRequest;
 use OC_Util;
+use OCA\NCDownloader\Tools\folderScan;
 
 class MainController extends Controller
 {
@@ -195,4 +196,14 @@ class MainController extends Controller
         return new JSONResponse($resp);
     }
 
+        /**
+     * @NoAdminRequired
+     * @NoCSRFRequired
+     */
+    public function scanFolder()
+    {
+        $resp = folderScan::create()->scan();
+        return new JSONResponse($resp);
+    }
+
 }